Good answer. I was thinking that a small piece of heat shrink could be installed on the ends of the cotter key insulating them and making them safe should they touch the circuit board, but I'll assume there isn't enough space now.

Just sayin is:Used at the end of a statement to indicate to the reader that the writer is a making a passive aggressive comment while trying not to offend ...

You should have "angled" the bottom end of the legs OUT further than the top of the leg i.e. if the top of the legs are 18 inches apart then the bottoms should be say 24 inches apart, giving the stand more steadiness